What is a Lipid?
Another important groups of organic composites, which are insoluable in water containing C, H, O and in some cases P and N atoms.There are 3 types of lipids which are Triglyceride(neutral lipids),Compound Lipids and Steroids.

Functions of Lipids
  • They can reduce damage from physical harms from outside of our body.
  • Steroid hormones have chemical messenger role.
  • They prevent heat loss in the situation of tempurature change
  • They are used as structural molecules in the cell membrane
  • . They provide a long-term storage of energy. 
  • They are secondry energy sources
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